import { I_SwjXmlScheme } from "../types/DrawCanvas";
export declare class DrawCanvas {
    private canvas;
    private ctx;
    private colors;
    constructor(width?: number, height?: number);
    /**
     * 计算边界框
     */
    private calculateBoundingBox;
    /**
     * 设置变换
     */
    private setupTransform;
    /**
     * 绘制房间
     */
    private drawRooms;
    /**
     * 绘制墙体
     */
    private drawWalls;
    /**
     * 绘制门窗
     */
    private drawOpenings;
    /**
     * 绘制房间信息
     */
    private drawRoomInfo;
    /**
     * 渲染户型图
     */
    render(data: I_SwjXmlScheme): string;
    /**
     * 获取Canvas元素
     */
    getCanvas(): HTMLCanvasElement;
}